<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>4_元素阴影</title>
    <style>
        div {
            width: 300px;
            height: 100px;
            /*长方形高度的一半可以切出胶囊型*/
            border-radius: 50px;
            background-color: #64B5EC;
        /*    元素阴影*/
            box-shadow: 10px 5px 10px 0px #888888;
        }
    </style>
</head>
<body>
<div></div>
</body>
</html>